Cancer
Introduction:
Cancer is a disease that has killed and continues to kill many people around the world. Even though it includes many illnesses, approximately 150 illnesses, they have one characteristic in common: the uncontrolled growth of cells.
In the American society, cancer is the disease that most feared by the majority of people within the U.S. In the United States, more than one fifth of the deaths in the early '90s was caused by cancer. In addition, in some the rate of growth of cells is fast; in others, slow; but in all cancers the cells never stop dividing. Cancers are clones. No matter how many trillions of cells are present in the cancer, they are all descended from a single ancestral cell. First of all, cancers begin as a primary tumor. At some point, however, cells break away from the primary tumor and establish metastases in other locations of the body. Metastases is what usually kills the patient. Cancer is a gene disorder of somatic tissue in......
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Approximate Word Count: 1762
Approximate Pages: 7 (260 words per double-spaced page) |